USAP Siple Dome (SDM) (lat, lon) = (-81.664, -149.0175) Forecast initialized at 2025092612 AMPS 24km domain FCST UTC UTC T Td Altim Spd Gust Dir Grid VVV RH1RH2RH3 T1T2T3 ACCUM HR DAY HR (C) (C) (in Hg)(kts)(kts)(deg)(deg) (*) (% wrt water) (C) (*) 00 26 12 -31.2 -35.4 28.56 15 16 36 247 -004 073058044 M28M24M21 000 03 26 15 -35.8 -38.7 28.59 15 28 44 255 -015 074069052 M28M24M23 001 06 26 18 -35.4 -38.3 28.64 14 25 45 256 005 074070055 M27M24M23 001 09 26 21 -33.4 -36.2 28.61 14 24 52 263 023 076077065 M26M24M23 001 12 27 00 -33.0 -35.9 28.65 14 25 53 264 027 075080061 M27M25M23 003 15 27 03 -33.3 -36.0 28.67 13 25 45 256 030 077071051 M26M24M22 002 18 27 06 -33.6 -36.1 28.67 12 23 49 260 038 078070046 M24M22M21 001 21 27 09 -33.1 -35.3 28.70 11 18 48 259 008 080080053 M23M21M20 001 24 27 12 -32.1 -34.2 28.71 9 16 45 256 -005 082081067 M23M20M20 001 27 27 15 -32.0 -33.9 28.73 9 14 45 256 -018 083080072 M22M20M19 001 30 27 18 -31.4 -33.8 28.76 9 14 43 254 -023 080069078 M23M20M19 000 33 27 21 -30.3 -32.7 28.80 10 16 39 250 -014 079052065 M22M20M19 000 36 28 00 -29.9 -32.1 28.82 9 16 39 250 -006 081051052 M22M20M19 000 39 28 03 -30.3 -32.3 28.85 9 14 48 259 -004 082043039 M22M20M19 000 42 28 06 -31.1 -33.0 28.87 9 13 65 276 -012 083040039 M21M19M19 000 45 28 09 -29.9 -31.6 28.88 7 9 84 295 -015 085053048 M20M19M19 000 48 28 12 -28.1 -30.2 28.86 7 7 113 324 001 082063052 M19M18M18 000 51 28 15 -28.3 -31.2 28.86 8 10 126 337 -006 076049051 M18M17M17 000 54 28 18 -26.8 -31.0 28.83 7 8 148 359 001 068041041 M17M16M16 000 57 28 21 -26.1 -30.7 28.79 8 9 184 35 -001 065034037 M17M15M15 000 60 29 00 -25.8 -30.6 28.76 7 8 193 44 -007 064037038 M16M15M14 000 63 29 03 -25.4 -30.4 28.76 5 6 198 49 -002 063044044 M17M15M14 000 66 29 06 -23.7 -29.3 28.78 2 2 50 261 -012 060048052 M18M15M14 000 69 29 09 -24.4 -29.2 28.78 4 6 345 196 -005 064047056 M18M15M14 000 72 29 12 -25.8 -30.0 28.79 4 6 329 180 -005 068049058 M18M15M14 000 75 29 15 -24.5 -29.6 28.82 2 2 3 214 005 063052060 M19M15M13 000 78 29 18 -25.3 -29.5 28.82 3 4 106 317 009 068056057 M18M16M14 000 81 29 21 -25.1 -28.5 28.80 6 8 139 350 004 073053050 M20M17M14 000 84 30 00 -25.6 -29.1 28.77 6 10 121 332 -003 073046055 M20M16M14 000 87 30 03 -27.1 -30.1 28.74 7 12 115 326 004 075047043 M19M17M15 000 90 30 06 -25.9 -28.9 28.71 6 10 102 313 007 076052038 M20M17M14 000 93 30 09 -26.7 -29.8 28.69 7 10 99 310 012 075054041 M20M16M14 000 96 30 12 -27.3 -30.3 28.64 7 9 90 301 013 076054042 M20M16M14 000 99 30 15 -29.4 -32.0 28.62 7 10 78 289 -003 078060050 M19M17M15 000 102 30 18 -28.6 -31.4 28.62 7 10 80 291 -001 077066060 M20M17M16 000 105 30 21 -27.6 -30.4 28.61 8 12 77 288 018 077072062 M20M18M16 000 108 01 00 -27.5 -30.1 28.61 10 14 67 278 021 079068054 M20M17M16 000 111 01 03 -28.8 -31.3 28.62 10 16 67 278 024 079065050 M21M17M15 000 114 01 06 -29.5 -31.8 28.64 11 20 67 278 018 080065051 M20M17M15 000 117 01 09 -28.9 -31.0 28.66 11 20 56 267 026 082060048 M19M16M15 000 120 01 12 -28.5 -30.2 28.69 10 17 57 268 029 086057046 M18M16M14 000 * NOTES on units: VVV (vertical velocity) is given as tenths of a microbar per second at 700 hPa, with positive values indicating upward motion; ACCUM (accumulated precipitation, past 3h) is given as hundredths of a millimeter; RH1, RH2, and RH3 are the % RH at the surface, 1000', and 3000', respectively; T1, T2, and T3 are the temperatures at 500', 1000', and 1500', respectively. Gust is estimated according to the NCEP HRRR gust algorithm.